using TMPro;
using UnityEngine;
using UnityEngine.UI;
using VRShopping.Items;

namespace VRShopping.UI
{
    public class ItemInfoPanel : MonoBehaviour
    {
        [Header("Refs")]
        [SerializeField] private GameObject _root;
        //[SerializeField] private Image _iconImage;
        [SerializeField] private TMP_Text _nameText;
        [SerializeField] private TMP_Text _brandText;
        [SerializeField] private TMP_Text _originalPriceText;
        [SerializeField] private TMP_Text _discountPriceText;
        [SerializeField] private TMP_Text _discountRateText;
        [SerializeField] private GameObject _discountRoot;

        private void Awake()
        {
            if (_root == null) _root = gameObject;
            Hide();
        }

        public void Show(ItemData data)
        {
            if (data == null)
            {
                Hide();
                return;
            }

            /*
            if (_iconImage != null)
            {
                _iconImage.sprite = data.Icon;
                _iconImage.enabled = data.Icon != null;
            }
            */

            if (_nameText != null) _nameText.text = data.DisplayName;
            if (_brandText != null) _brandText.text = data.Brand;

            bool hasDiscount = data.DiscountRate > 0f;

            if (_originalPriceText != null)
            {
                _originalPriceText.gameObject.SetActive(true);
                _originalPriceText.text = hasDiscount
                    ? $"<s>{FormatPrice(data.BasePrice)}</s>"
                    : FormatPrice(data.FinalPrice);
            }

            if (_discountRoot != null) _discountRoot.SetActive(hasDiscount);

            if (hasDiscount)
            {
                if (_discountPriceText != null) _discountPriceText.text = FormatPrice(data.FinalPrice);
                if (_discountRateText != null) _discountRateText.text = $"{Mathf.RoundToInt(data.DiscountRate * 100f)}";
            }

            _root.SetActive(true);
        }

        public void Hide()
        {
            _root.SetActive(false);
        }

        private static string FormatPrice(int price) => $"₩{price:N0}";
    }
}